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The nice thing about websites is that there can be more than one. Publishers, being publishers, want to promote their books, which will of course include on the web, but that doesn't mean you can'...
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Source: https://writers.stackexchange.com/a/25654 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
The nice thing about websites is that there can be more than one. Publishers, being publishers, want to promote their books, which will of course include on the web, but that doesn't mean you can't. Subject to the terms of any specific contract, and the specific promotional language/messaging they want to use for your book, you can promote your book beyond the publisher's site. And I've never heard of a publisher trying to shut down a personal web site, like a blog. If you start blogging bad things about the publisher they might object, but that's different. Here's one example of a pattern I've seen from several authors. (Disclosure: this author is a friend.) For the book _I Remember the Future_, the publisher (Apex Publications) has [a product page](http://www.apexbookcompany.com/products/i-remember-the-future-the-award-nominated-stories-of-michael-a-burstein), and the author (Michael Burstein) also has [a page on his personal site](http://www.mabfan.com/) (he's written other stuff too) and a personal blog. Each of those sites links to the other, so the publisher clearly doesn't have a problem with it. Here's another example from a larger publisher. Baen Books has a [page on its site](http://www.baen.com/author_links) with links to the personal (or sometimes fan) web sites of all of their authors who have them. It's not a short list. These examples are drawn from SF&F publishers in North America. I don't have reasons to believe that publishers in other genres would be significantly different in this regard, but you should do some searching in the genres or with the publishers you're interested in to see what you can find.